You can use a coffee grinder to grind coffee beans for an espresso or for a pot of filter coffee. Test which grind suits your coffee beans best, from coarse to fine. You can use an electric coffee grinder with a lot of grind settings. That way, your espresso tastes different every time. You can control a coffee beans device like that easily. Simply put the fresh coffee beans in the electric coffee grinder and press the button. As a result, all freshly ground beans roll into your filter carrier or in the collection container.